Exhibit 1.

Prevalence and characteristics of people disqualified from possessing firearms, by type of disqualification, 2002–11

			Disqualified from firearm possession
	Total study population		Mental health adjudication		Criminal record		Either or both
	N	%	n	%	n	%	n	%
Age (years)
18–43	40,509	49.6	6,706	64.0	11,329	66.3	14,772	64.3
44 or older	41,195	50.4	3,767	36.0	5,749	33.7	8,201	35.7
Sex
Female	44,513	54.5	4,000	38.2	5,881	34.4	8,415	36.6
Male	37,191	45.5	6,473	61.8	11,197	65.6	14,558	63.4
Race/ethnicity
White	34,565	42.3	5,038	48.1	6,502	38.1	9,720	42.3
Black	17,448	21.4	3,208	30.6	6,139	35.9	7,661	33.3
Hispanic	28,569	35.0	2,071	19.8	4,241	24.8	5,292	23.0
Other	1,122	1.4	156	1.5	196	1.1	300	1.3
Diagnosis
Schizophrenia	24,386	29.8	5,081	48.5	6,214	36.4	9,200	40.0
Bipolar	16,206	19.8	2,642	25.2	4,240	24.8	5,654	24.6
Depression	41,112	50.3	2,750	26.3	6,624	38.8	8,119	35.3
Substance use
No	69,059	84.5	6,660	63.6	11,397	66.7	15,643	68.1
Yes	12,645	15.5	3,813	36.4	5,681	33.3	7,330	31.9
All
Total	81,704	100.0	10,473	100.0	17,078	100.0	22,973	100.0

Source Florida administrative record data assembled for this study, 2002–11. Chi-square tests showed that individuals with any gun disqualification (“either or both”) differed significantly (p < .001) from those with no disqualification on all demographic and diagnostic variables.